400V 1ph column spot, with pneumatic arm control. The PCP 18 is rated at 15kVA @50% (22kVA max). Welds a minimum of 3mm to 3mm mild steel. Fitted with standard 350mm arms. Includes stepless electronic thyristor output control, electronic time, fan cooled cabinet, adjustable electrode force and water cooled arms and electrodes, which require cooling by and additional cooler. A range of arms and electrodes to suit most applications is available.